KETCHIKAN GATEWAY BOROUGH PLANNING COMMISSION ...

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17.65.010 CLUSTER SUBDIVISIONS – DEVELOPMENT REQUIREMENTSChapter 17.65CLUSTER SUBDIVISIONS – DEVELOPMENT REQUIREMENTSSections:17.65.010 Method for determining site area.17.65.020 Required minimum net site area.17.65.030 Maximum number of permitted residential lots.17.65.040 Required buffer yard.Cross Reference – Cluster Subdivision, Chapter 18.130 KGBC.17.65.010 Method for determining site area.The area to be subdivided is the gross site area. The net site area is determined by subtracting the area devoted toexisting or proposed rights-of-way, including, but not limited to, street or utility rights-of-way, from the gross sitearea. [Ord. No. 711, §2, 9-18-89. Code 1974 §55.62.010.]17.65.020 Required minimum net site area.The required minimum net site area shall not be less than:(a)(b)RL zone: thirty thousand (30,000) square feet.RS zone: fifty thousand (50,000) square feet.(c) RR zone: one hundred thousand (100,000) square feet. [Ord. No. 711, §2, 9-18-89. Code 1974 §55.62.020.]17.65.030 Maximum number of permitted residential lots.The maximum number of permitted residential lots within a cluster subdivision shall be determined by dividing thenet site area by the minimum lot size permitted by the zoning district within which the subdivision is located. Anyfractional remainder shall be disregarded. The number of permitted residential lots may be increased by one (1) foreach pair of attached twinhouse dwellings to be constructed within the subdivision in accordance with the requirementslisted in KGBC 18.125.010. [Ord. No. 711, §2, 9-18-89. Code 1974 §55.62.030.]17.65.040 Required buffer yard.Where a cluster subdivision directly abuts property with the same or a more restrictive zoning classification, abuffer yard shall be provided along that portion of the cluster subdivision boundary abutting such property in accordancewith the following requirements:(a)(b)(c)The buffer yard shall be composed of undisturbed or restored indigenous vegetation or other material approvedby the planning commission serving as the platting authority.The buffer yard shall be a minimum of thirty (30) feet wide unless modified by the planning commission servingas the platting authority. The planning commission serving as the platting authority may increase the bufferyard where necessary to protect adjacent property owners from adverse effects such as traffic or noise due tothe increased density in portions of the cluster subdivision. In cases where existing topography or screeningmethods, such as earth berms, fences, walls, or a combination of materials proposed by the subdivider, willprovide an adequate buffer, in the judgment of the planning commission serving as the platting authority, therequired buffer yard may be reduced by the planning commission serving as the platting authority.The land devoted to the buffer yard may be included in the calculation of cluster open space required withinthe subdivision in accordance with Chapter 17.70 KGBC. [Ord. No. 711, §2, 9-18-89. Code 1974 §55.62.040.]17-48
KETCHIKAN GATEWAY BOROUGH CODE 17.70.040Chapter 17.70CLUSTER SUBDIVISIONS – OPEN SPACESections:17.70.010 Generally.17.70.020 Permitted buildings and structures.17.70.030 Mandatory cluster open space land.17.70.040 Optional cluster open space land.17.70.050 General requirements.17.70.060 Ownership and administration of cluster open space.Cross Reference – Cluster Subdivision, Chapter 18.130 KGBC.17.70.010 Generally.Those areas within a cluster subdivision that are not devoted to individual dwelling unit lots, streets, or play areasshall remain as cluster open space in perpetuity. A minimum of twenty (20) percent of the net site area shall bedevoted to cluster open space. Cluster open space shall be used for conservation or for outdoor recreation purposesthat do not require structures, such as hiking or berry picking. No portion of any dwelling unit lot, street, or playarea shall be considered as cluster open space. [Ord. No. 711, §2, 9-18-89. Code 1974 §55.63.010.]17.70.020 Permitted buildings and structures.No buildings or structures shall be permitted within the cluster open space except:(a) Essential services as defined in KGBC 18.05.070.(b)(c)Streets, pedestrian paths, or bike paths.Required buffer yards developed in accordance with the requirements listed in Chapter 17.65 KGBC.(d) Fences. [Ord. No. 711, §2, 9-18-89. Code 1974 §55.63.020.]17.70.030 Mandatory cluster open space land.A minimum ten (10) foot strip of undisturbed land encompassing each side of the natural floodplain of Ketchikan,Carlanna, Hoadley and Whipple Creeks, measured from the one hundred (100) year floodplain mark, shall remainas cluster open space. Where the planning commission serving as the platting authority determines that a ten (10)foot strip is inadequate to provide for public safety or to preserve the aesthetic value of any of the aforementionedcreeks, a wider strip may be designated. The area encompassed by a creek buffer strip may be included in the calculationof required cluster open space. [Ord. No. 711, §2, 9-18-89. Code 1974 §55.63.030.]17.70.040 Optional cluster open space land.Land devoted to any of the following purposes may be included in the calculation of required cluster open space,subject to planning commission serving as the platting authority approval:(a)(b)(c)(d)Undisturbed land within three hundred thirty (330) feet of active eagle nesting trees identified by the U.S. Fishand Wildlife Service.Buffer yards between groups of residences within the cluster subdivision or between the subdivision and adjacentdevelopment.Greenbelt access corridors between the subdivision and the shoreline for both subdivision residents and wildlife.Preservation of scenic areas within the subdivision.17-49
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KETCHIKAN GATEWAY BOROUGHPLANNING C
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3ACKNOWLEDGMENTSThis work has been
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Upon roll call the vote on the MOTI
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K E T C H I K A N G A T E W A Y B O
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K E T C H I K A N G A T E W A Y B O
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Part I.GENERAL INFORMATIONMeeting D
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that exceeds one story in height, b
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B. APPLICATION
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Option B - exceeds height, but not
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C. MAPS
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Owner_Name Address CITY STATEZIPBER
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PLANNING COMMISSION DOCKETMeeting D
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KETCHIKAN GATEWAY BOROUGH PLANNING COMMISSION ...

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